Anticorrosive alloy or metallic compound.



is capable of resisting UNITED STATES, PATENT OFFICE.

GASTON .mcouma, or nnncaavra, NEAR J'OHANNESBUBG, TRANSVAAL.

ANTIGORROSIVE ALLOY 0R METALLIC COMPOUND.

1,019,963. N70 Drawing.

To all whom it may concern.

Beit known that I, GAs'roN JAc UIEn a citizen of the Republic of France, and aresident of Belgravia, near Johannesburg Transvaal, have invented certain new and useful Improvements in Anticorrosive Alloys or Metallic Compounds, of which the following is a specifioatlon.

This invention relates to a new or imroved alloy or metallic compound which the corrosive action of sulfuric acid, cyani solution &c.

The alloy can be used for the manufacture of pipes, tanks, taps, valves, screens, cables, ropes, skeps,'cages and similar vehicles, pumps and other machinery or appliances used in mining or other industries which it is desirable to rotect from the corrosive action of liqui s with which they come in contact. The articles which it is desired to render acid resistant can be made entirely of my improved alloy, or can be suitably coated or lmed either internally or externally or both with the alloy.

My improved alloy or metalllc compound is composed of aluminium, bismuth, copper and silicon or magnesium which are used in the following proportions, more or less .-aluminium 92 per cent., bismuth 2 per cent.,

copper 5 per cent., silicon 1 per cent.,. or

Specification of Lettera ratent.

Application filed October 24, 1910. Serial Ho. 588,697.

Patented Mar. 12, 1912.

aluminium 91 per cent., bismuth 2 per cent., copperv 5 per cent., magneslum 2 per cent.

In manufacturing the alldythe blsmuth,

copper and silicon or magnesium are placed in a crucible and melted together, and to the resultant alloy, while still molten, is added the aluminium, which has previously been melted.

By suitably varying the the lngredients the degree 0 hardness and other properties of the product can be varied.

roportions of.

What I claim as m invention and desire ty-two per cent. of .aluminlum, two per cent.

of bismuth, five per cent. of copper, and one percent. of silicon, as set forth.

In testimony whereof I have signed my name to this specification in the presence of two" subscribing witnesses.

GASTON J ACQUIER.

Witnesses:

CHAS. OVENDALE, Mam) Porn. 

